Chaos in rice circles refers to some negative phenomena in idol fans' circles, such as malicious attacks on the Internet, spreading rumors, spreading false information at will, black powder and so on. These behaviors may have a negative impact on idols and other fans, and even cause public outrage. The "rice circle" refers to a fan group formed around an idol or group, who will pay attention to, support and hype their favorite idols. Therefore, "chaos in rice circles" does not represent the fans themselves, but refers to the existence and spread of some bad behaviors in rice circles.